You can ask what the force that this quark will exert on that quark at a certain separation.

你会问,这个夸克对一段距离以外的那个夸克,有多大的作用力

耶鲁公开课 - 基础物理课程节选

We focus on one because we are paying for it, but the wall is doing the opposite.

我们只关注某一边因为我们只对这一边施力,但是墙对另一边有反向的作用力

耶鲁公开课 - 基础物理课程节选

Those emotions you feel towards your kin, towards your genetic relatives, and those emotions that you feel towards the people you're not related to but interact with.

你对亲人的情感，你对有基因关系亲属的情感，你对那些与你无关,但有相互作用的人的情感。

耶鲁公开课 - 心理学导论课程节选

What is its function among other objects?

它对其它事物有何作用？

耶鲁公开课 - 文学理论导论课程节选

Then you might worry about what's the relevant metaphysical glue for cars.

你可能会担心这些形而上的,部件对汽车来说有什么作用。

耶鲁公开课 - 死亡课程节选

Now, it raises lots of interesting issues if a company does that and then boasts about it on the packaging or in marketing, because then people could overestimate how good those products are for them, so a lot of consumer education has to be done.

现在如果一个公司改进之后,在其包装,或市场上大肆宣扬,会引发许多争议,因为人们可能因此高估了,这些食品对其健康起到的作用,可见消费者应该对此有更多了解

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选